False-colour SEM of a group of human sperm

False-colour SEM of a group of human sperm

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Caption: False-colour scanning electron micrograph (SEM) of a group of human sperm, showing the division of the body of a single spermatozoon into a head & tail section. The tail of the sperm enables it to swim, an essential action in reaching & fertilising the female ovum. The mature male sex cell (the male gamete) is carried in the head, the top part of which is capped by the acrosome, which breaks down just before fertilisation, releasing a number of enzymes which assist in the penetration of the follicle cells that surround the female ovum. Magnification: X 1260 at 35mm size.

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Keywords: anatomy, false-coloured, human body, reproduction, reproductive system, sperm, sperm (human)

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